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<H2><B>set rbrange</B></H2><P>
<code>set rbrange <i>low high</i></code><p>
Sets the range of values used to determine which values acquire which
rainbow color. By default, the <code><i>low</i></code> and
<code><i>high</i></code> are set to the min and max of the
result grid. This is reset by a <code>clear</code> command. <p>
<H3>Usage Notes</H3><P>
<H3>Examples</H3><P>
